F 150 4WD V8-4.6L VIN 8 (2010)
Drive/Propeller Shaft: All Technical Service Bulletins
Drivetrain - Driveshaft Slip/Bump On Accel. Or Braking
TSB 10-22-6
11/22/10
REAR DRIVESHAFT SLIP/BUMP - BUILT ON OR BEFORE 12/1/2009
FORD:
2009-2010 F-150
This article supersedes TSB 09-25-5 to update the Service Procedure.
ISSUE
Some 2009-2010 F-150 vehicles equipped with a 2-piece driveshaft only and built on or before 12/1/2009 may exhibit a rear driveshaft slip/bump
concern on light to moderate acceleration from a stop or when coming to a stop with light braking.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
It is not necessary to remove the entire driveshaft from the vehicle for this repair.
1. Mark the rear driveshaft flange and differential pinion flange.
2. Mark the center slip yoke barrel across the boot and the clamp crimp heads to the rear shaft spline stud shoulder. (Figure 1)
3. Remove the clamps from the center slip yoke and discard.
4. Remove the rear axle to driveshaft flange fasteners and remove the rear portion of the driveshaft only.
5. Remove the boot.
6. With a clean towel thoroughly clean old grease from the splines on the slip yoke only. Do not use solvent.
7. On 4X4 vehicles only, using hand tools, loosen the center bearing bolts and slide the center bearing fully rearward in the slotted holes.
8. Torque fasteners to 35 lb-ft (48 N.m). Refer to WSM, Section 205-01 for detail.
